Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Differentiate term by term:
The derivative of the constant is zero.
Apply the power rule: goes to
The result is:
The result of the chain rule is:
The answer is:
4
-5*x
---------
2
/ 5\
\1 + x /
/ 5 \
3 | 5*x |
10*x *|-2 + ------|
| 5|
\ 1 + x /
-------------------
2
/ 5\
\1 + x /
/ 10 5 \
2 | 25*x 20*x |
30*x *|-2 - --------- + ------|
| 2 5|
| / 5\ 1 + x |
\ \1 + x / /
-------------------------------
2
/ 5\
\1 + x /
/ 15 25 5 10 20\
3 | 31250*x 15625*x 1215*x 10500*x 37500*x |
25200*x *|24 - --------- - --------- - ------- + --------- + ---------|
| 3 5 5 2 4|
| / 5\ / 5\ 1 + x / 5\ / 5\ |
\ \1 + x / \1 + x / \1 + x / \1 + x / /
-----------------------------------------------------------------------
3
/ 5\
\1 + x /